# History preview (UI-SPEC C12): read-only fields, then the P5 diff. fields: created_at: label: golem15.seo::lang.history.when type: text span: left context: preview author_label: label: golem15.seo::lang.history.who type: text span: right context: preview via: label: golem15.seo::lang.history.via type: text span: left context: preview what: label: golem15.seo::lang.history.what type: text span: right context: preview _history_diff: label: golem15.seo::lang.history.change type: partial path: history_diff span: full context: preview